Thursday, Apr. 01, 2010

Lawrence Summers

Age: 55
Occupation: Director of the National Economic Council
Previous TIME 100 Appearances: 1

As President Obama's top economic adviser, Summers — a former Treasury secretary and Harvard University president — has been incredibly influential in the Administration's response to the financial crisis and recession. The often controversial figure plays a key role in efforts to create jobs, avoid another housing downturn and figure out how financial institutions should be regulated going forward.